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The oil and gas resource potential of the Arctic National Wildlife Refuge 1002 area, Alaska

Open-File Report 98-34

The USGS acknowledges the cooperation of the U.S. Fish and Wildlife Service, Bureau of Land Management, Minerals Management Service, and the Alaska Department of Natural Resources (Geological and Geophysical Surveys, Division of Oil and Gas, and Oil and Gas Conservation Commission)
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Abstract

In anticipation of the need for scientific support for policy decisions and in light of the decade-old perspective of a previous assessment, the USGS has completed a reassessment of the petroleum potential of the ANWR 1002 area. This was a comprehensive study by a team of USGS scientists in collaboration on technical issues (but not the assessment) with colleagues in other agencies and universities. The study incorporated all available public data and included new field and analytic work as well as the reevaluation of all previous work.

Using a methodology similar to that used in previous USGS assessments in the ANWR and the NPRA, this study estimates that the total quantity of technically recoverable oil in the 1002 area is 7.7 BBO (mean value), which is distributed among 10 plays. Using a conservative estimate of 512 million barrels as a minimum commercially developable field size, then about 2.6 BBO of oil distributed in about three fields is expected to be economically recoverable in the undeformed part of the 1002 area. Using a similar estimated minimum field size, which may not be conservative considering the increased distance from infrastructure, the deformed area would be expected to have about 600 MMBO in one field.

The amounts of in-place oil estimated for the 1002 area are larger than previous USGS estimates. The increase results in large part from improved resolution of reprocessed seismic data and geologic analogs provided by recent nearby oil discoveries.

Study Area

Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
The oil and gas resource potential of the Arctic National Wildlife Refuge 1002 area, Alaska
Series title:
Open-File Report
Series number:
98-34
ISBN:
0607900075
Year Published:
1999
Language:
Enlgish
Publisher:
U.S. Geological Survey
Contributing office(s):
Alaska Science Center, Central Energy Resources Team
Description:
Introduction: 12 p.; Chapters; 2 CD-ROMs
Public Comments:
Originally published as a set of 2 CD-ROMs; the files are now available online.
Country:
United States
State:
Alaska
Other Geospatial:
ANWR, Arctic National Wildlife Refuge 1002 Area